Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV)

Synonym: Hafnium MMP, Hafnium methoxy-t-butoxide, Hafnium tetrakis(1-methoxy-2-methyl-2-propanolate), Hf(mmp)₄

CAS Number 309915-48-8 | MDL Number MFCD03701583 

Product code	HF5488
CAS number	309915-48-8
Assay (purity)	98%+
NMR H1	conforms to structure
Molecular weight	591.05 g/mol
Melting point	-5 °C (23 °F)
Boiling point	135 °C (275 °F) at 10.1 hPa (7.6 mmHg)
Appearance	liquid
Sensitivity	moisture, heat
Molecular formula	C20H44HfO8
Linear formula	Hf(OC(CH3)2CH2OCH3)4
Packaging	glassware/metal containers/bubblers

Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) is a volatile complex that was successfully applied as a precursor for the growth of HfO2 films by MOCVD and ALD. See links below

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing HF5488 contact us at sales@ereztech.com

Safety information

UN	1993
Hazardous class	–
Packing group	III
Pictograms	None
Signal word	WARNING
Hazard statements	H227
Precautionary statements	P210-P280-P370 + P378-P403 + P235-P501
Transport description	Combustible liquid, n.o.s. (Tetrakis(1- methoxy-2-methyl-2- propoxy)hafnium(IV))
In TSCA registry	No (research and development usage only)

First Aid Measures

General advice	Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contact	Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contact	Wash off with soap and plenty of water. Consult a physician.
Inhalation	If breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowed	Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

 

Certificates of Analysis (CoA)

If you don’t see the needed lot of Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) below please contact customer support at sales@ereztech.com

Lot# 015/833

External identifiers for Hafnium MMP

Pubchem CID	101750534
IUPAC Name	hafnium(4+);1-methoxy-2-methylpropan-2-olate
SMILES	CC(C)(COC)[O-].CC(C)(COC)[O-].CC(C)(COC)[O-].CC(C)(COC)[O-].[Hf+4]
InchI Identifier	InChI=1S/4C5H11O2.Hf/c4*1-5(2,6)4-7-3;/h4*4H2,1-3H3;/q4*-1;+4
InchI Key	OZCISEDHTVUZIC-UHFFFAOYSA-N

Known applications and external links

• Donald C. Bradley. Metal alkoxides as precursors for electronic and ceramic materials. Chem. Rev. 1989, 89, 6, 1317-1322 Publication Date:September 1, 1989
• Anthony C. Jones, Helen C. Aspinall, Paul R. Chalker, Richard J. Potter, Kaupo Kukli, Antti Rahtu, Mikko Ritala, Markku Leskeläc. Some recent developments in the MOCVD and ALD of high-κ dielectric oxides

With Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) other customers often ask:

• Hafnium(IV) 2,4-pentanedionate
• Hafnium (IV) tert-butoxide
• Hafnium(IV) n-butoxide
• Hafnium (IV) isopropoxide monoisopropylate

Ereztech synthesizes and sells additional HF-compounds.

To purchase HF5488 contact us at sales@ereztech.com